{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2006:5HKHAIBCMR3Q66TKFUKQZF5S5Q","short_pith_number":"pith:5HKHAIBC","canonical_record":{"source":{"id":"gr-qc/0612108","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2006-12-18T16:32:12Z","cross_cats_sorted":["astro-ph","hep-th"],"title_canon_sha256":"80afd71aefcf355cbe8d9bbb92976ff7f6418dad37219a36576724ff8b0d33e8","abstract_canon_sha256":"f2dba6817dc28d1ad0fc583eff313e8fae7763f3b2bcd47a3467953fb11648f9"},"schema_version":"1.0"},"canonical_sha256":"e9d470202264770f7a6a2d150c97b2ec39e225637b9fdf84ddf91073b36f7e07","source":{"kind":"arxiv","id":"gr-qc/0612108","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0612108","created_at":"2026-05-18T04:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0612108v2","created_at":"2026-05-18T04:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0612108","created_at":"2026-05-18T04:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"5HKHAIBCMR3Q","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"5HKHAIBCMR3Q66TK","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"5HKHAIBC","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2006:5HKHAIBCMR3Q66TKFUKQZF5S5Q","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0612108","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2006-12-18T16:32:12Z","cross_cats_sorted":["astro-ph","hep-th"],"title_canon_sha256":"80afd71aefcf355cbe8d9bbb92976ff7f6418dad37219a36576724ff8b0d33e8","abstract_canon_sha256":"f2dba6817dc28d1ad0fc583eff313e8fae7763f3b2bcd47a3467953fb11648f9"},"schema_version":"1.0"},"canonical_sha256":"e9d470202264770f7a6a2d150c97b2ec39e225637b9fdf84ddf91073b36f7e07","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:38:36.696007Z","signature_b64":"h9MiQJCRCrsVHwPdE1oR5YVxAxJiX+wjSEVtvWCVx+/GEMkvsVjQ5BjqWESSZ8l3WhTHj/QeY580KgLmsuwOBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e9d470202264770f7a6a2d150c97b2ec39e225637b9fdf84ddf91073b36f7e07","last_reissued_at":"2026-05-18T04:38:36.695255Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:38:36.695255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0612108","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+jVl47aWk09W0r4ctTHmOZNHcR0FUJN8eFr9LZYcD2jnRfNt1L8CuWxAx5K8ZMN+0zszwMCaKk6YmoWPtxS1Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:06:58.968498Z"},"content_sha256":"d3bedc5dcd79609a3a3f512e223a5c85de14142ad2d286ef6c505884ac86c252","schema_version":"1.0","event_id":"sha256:d3bedc5dcd79609a3a3f512e223a5c85de14142ad2d286ef6c505884ac86c252"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2006:5HKHAIBCMR3Q66TKFUKQZF5S5Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational waves generated by second order effects during inflation","license":"","headline":"","cross_cats":["astro-ph","hep-th"],"primary_cat":"gr-qc","authors_text":"Bob Osano, Chris Clarkson, Cyril Pitrou, Jean-Philippe Uzan, Peter Dunsby","submitted_at":"2006-12-18T16:32:12Z","abstract_excerpt":"The generation of gravitational waves during inflation due to the non-linear coupling of scalar and tensor modes is discussed. Two methods describing gravitational wave perturbations are used and compared: a covariant and local approach, as well as a metric-based analysis based on the Bardeen formalism. An application to slow-roll inflation is also described."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0612108","kind":"arxiv","version":2},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:38:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FtNro2UrqO2BXILYJpBS9CO6n9pq+RHg3UDZ5/txA6oYV9F37sf3Ii+rQ9hkBIIzu9s8SUgd6rsK3tm8g95mDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T17:06:58.968861Z"},"content_sha256":"10ede2432ba861b4bf9ee072835ad6e543ccdae305c9cc0d27ab62809eac40a2","schema_version":"1.0","event_id":"sha256:10ede2432ba861b4bf9ee072835ad6e543ccdae305c9cc0d27ab62809eac40a2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q/bundle.json","state_url":"https://pith.science/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-01T17:06:58Z","links":{"resolver":"https://pith.science/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q","bundle":"https://pith.science/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q/bundle.json","state":"https://pith.science/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5HKHAIBCMR3Q66TKFUKQZF5S5Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2006:5HKHAIBCMR3Q66TKFUKQZF5S5Q","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f2dba6817dc28d1ad0fc583eff313e8fae7763f3b2bcd47a3467953fb11648f9","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2006-12-18T16:32:12Z","title_canon_sha256":"80afd71aefcf355cbe8d9bbb92976ff7f6418dad37219a36576724ff8b0d33e8"},"schema_version":"1.0","source":{"id":"gr-qc/0612108","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0612108","created_at":"2026-05-18T04:38:36Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0612108v2","created_at":"2026-05-18T04:38:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0612108","created_at":"2026-05-18T04:38:36Z"},{"alias_kind":"pith_short_12","alias_value":"5HKHAIBCMR3Q","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"5HKHAIBCMR3Q66TK","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"5HKHAIBC","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:10ede2432ba861b4bf9ee072835ad6e543ccdae305c9cc0d27ab62809eac40a2","target":"graph","created_at":"2026-05-18T04:38:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"The generation of gravitational waves during inflation due to the non-linear coupling of scalar and tensor modes is discussed. Two methods describing gravitational wave perturbations are used and compared: a covariant and local approach, as well as a metric-based analysis based on the Bardeen formalism. An application to slow-roll inflation is also described.","authors_text":"Bob Osano, Chris Clarkson, Cyril Pitrou, Jean-Philippe Uzan, Peter Dunsby","cross_cats":["astro-ph","hep-th"],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2006-12-18T16:32:12Z","title":"Gravitational waves generated by second order effects during inflation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0612108","kind":"arxiv","version":2},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:d3bedc5dcd79609a3a3f512e223a5c85de14142ad2d286ef6c505884ac86c252","target":"record","created_at":"2026-05-18T04:38:36Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f2dba6817dc28d1ad0fc583eff313e8fae7763f3b2bcd47a3467953fb11648f9","cross_cats_sorted":["astro-ph","hep-th"],"license":"","primary_cat":"gr-qc","submitted_at":"2006-12-18T16:32:12Z","title_canon_sha256":"80afd71aefcf355cbe8d9bbb92976ff7f6418dad37219a36576724ff8b0d33e8"},"schema_version":"1.0","source":{"id":"gr-qc/0612108","kind":"arxiv","version":2}},"canonical_sha256":"e9d470202264770f7a6a2d150c97b2ec39e225637b9fdf84ddf91073b36f7e07","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e9d470202264770f7a6a2d150c97b2ec39e225637b9fdf84ddf91073b36f7e07","first_computed_at":"2026-05-18T04:38:36.695255Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:38:36.695255Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"h9MiQJCRCrsVHwPdE1oR5YVxAxJiX+wjSEVtvWCVx+/GEMkvsVjQ5BjqWESSZ8l3WhTHj/QeY580KgLmsuwOBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:38:36.696007Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0612108","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d3bedc5dcd79609a3a3f512e223a5c85de14142ad2d286ef6c505884ac86c252","sha256:10ede2432ba861b4bf9ee072835ad6e543ccdae305c9cc0d27ab62809eac40a2"],"state_sha256":"a2355a70ed2042b5c6d5ee597f31860d9001b1397a39be40a92f4ba9ced196d8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"GGuu+0mGFu1LksdcfPg4+8oXkvDgeyMBC6zVaQBd2/padnZDd85NNvBJBRnLUSe+5BDw25ym+SeMyiStCL+4AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T17:06:58.970813Z","bundle_sha256":"9cee6268499f88206d6c79382672d1a33b7747fb766c48411c28233d9d61a0ce"}}